<HTML><HEAD><TITLE>Matrix calculator</TITLE> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"> <META NAME="GENERATOR" CONTENT="wims [en]"> <META name="description" content="computes determinant, inverse, eigenvectors,... interactive exercises, online calculators and plotters, mathematical recreation and games"> <META name="keywords" content="interactive mathematics, interactive math, server side interactivity, algebra, linear algebra, matrix,determinant,rank,trace"> <META NAME="Author" CONTENT="XIAO Gang"> <META HTTP-EQUIV="expires" CONTENT="1 Jan 1990"> <META HTTP-EQUIV="Pragma" CONTENT="no-cache"> <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache">  <STYLE TYPE="text/css"><!--  .wimsbody { 	text-align : justify; 	padding-left  : 3%; 	padding-right : 3%; }    --></STYLE>  </HEAD><BODY BGCOLOR="white"   LINK=blue VLINK=blue  >         <!-- ><a href="http://wims.univ-mrs.fr/wims.cgi?lang=fr&+session=0M1A6EB8D2.1&+module=adm%2Ftrap">Robot trapper, do not click!</a> < --><a href="http://wims.univ-mrs.fr/wims.cgi?lang=fr&+session=0M1A6EB8D2.1&+module=adm%2Ftrap"><font></font></a><div class=wimsmenu> <center><table border=0 cellspacing=0 cellpadding=2 bgcolor=#64a5f9 width=100%>  <tr><td align=center> <a href="http://wims.univ-mrs.fr/wims.cgi?lang=fr&+session=0M1A6EB8D2.1">WIMS Home</a> </td>       <td align=center> <a href="http://wims.univ-mrs.fr/wims.cgi?wims_window=new&+session=0M1A6EB8D2_mhelp&+lang=fr&+module=tool%2Flinear%2Fmatrix.en&+cmd=help&+special_parm=" target=wims_help onClick="window.open('','wims_help','status=no,toolbar=no,location=no,menubar=no,scrollbars=yes,resizable=yes')">Help</a> </td>    <td align=center> <a href="http://wims.univ-mrs.fr/wims.cgi?wims_window=new&+session=0M1A6EB8D2_mhelp&+lang=fr&+module=tool%2Flinear%2Fmatrix.en&+cmd=help&+special_parm=about" target=wims_help onClick="window.open('','wims_help','status=no,toolbar=no,location=no,menubar=no,scrollbars=yes,resizable=yes')">About</a> </td>  <td align=center> <a href="http://wims.univ-mrs.fr/wims.cgi?wims_window=new&+session=0M1A6EB8D2_help&+lang=fr&+module=help%2Fmain&" target=wims_help onClick="window.open('','wims_help','status=no,toolbar=no,location=no,menubar=no,scrollbars=yes,resizable=yes')">WIMS Help</a></td>   </tr></table></center></div><div class=wimsbody><p>     <P><CENTER><H1>  Matrix calculator </H1></CENTER><P></DIV><DIV CLASS=wimsbody>    Give your matrix (enter line by line, separating elements by  commas). <p><form action="http://wims.univ-mrs.fr/wims.cgi" method=get> <input type=hidden name=session value=0M1A6EB8D2.1> <input type=hidden name=lang value=fr> <input type=hidden name=cmd value=reply> <input type=hidden name=module value=tool/linear/matrix.en>  <center><table border=0>  <tr><td><font size=+2> A = <td>  <textarea name=matrix rows=7 cols=30></textarea></table></center>  <input type=submit value="Show"> :  <ul>   <li><input type=checkbox checked name=show value=invariant>rank,    determinant, trace, signature.   <li><input type=checkbox name=show value=square>A<sup>2</sup>. &nbsp;    <input type=checkbox name=show value=cube>A<sup>3</sup>. &nbsp;    <input type=checkbox name=show value=inverse>A<sup>-1</sup>.   <li><input type=checkbox name=show value=exponent>e<sup>A</sup>: &nbsp;    <input type=radio name=exp_method value=numerical     checked    >numerical, or &nbsp;    <input type=radio name=exp_method value=formal    >symbolic.   <li><input type=checkbox name=show value=charpoly>characteristic    polynomial of A.   <li><input type=checkbox name=show value=eigen>Eigenvalues and eigenvectors.   <li><input type=checkbox name=show value=jordan>Jordan form.   <p>   <li><input type=checkbox name=show value=every>All registered matrices.   <li><input type=checkbox name=show value=formula>A matrix expression:    <input type=text size=30 name=formula value=A^2+3*A+2> .    <li><input type=checkbox name=show value=register>Register A under the    name of    <select name=register>     <option value=1>M1     <option value=2>M2     <option value=3>M3     <option value=4>M4     <option value=5>M5     <option value=6>M6     <option value=7>M7     <option value=8>M8     <option value=9>M9    </select>.  </ul></form></center>  You have also the <a href="http://wims.univ-mrs.fr/wims.cgi?session=0M1A6EB8D2.1&+lang=fr&+module=tool%2Flinear%2Fmatmult">Matrix multiplier</a> to rapidly multiply two matrices.      <p></div><div class=wimstail> <center><hr width=35%> <table align=center border=0 cellspacing=0 cellpadding=2 bgcolor=#64a5f9> <tr> <td align=center><small> <a href="http://wims.univ-mrs.fr/wims.cgi?lang=fr&+session=0M1A6EB8D2.1">WIMS Home</a>     <td align=center><small> <a href="http://wims.univ-mrs.fr/wims.cgi?wims_window=new&+session=0M1A6EB8D2_mhelp&+lang=fr&+module=tool%2Flinear%2Fmatrix.en&+cmd=help&+special_parm=" target=wims_help onClick="window.open('','wims_help','status=no,toolbar=no,location=no,menubar=no,scrollbars=yes,resizable=yes')">Help</a> </small>   <td align=center><small> <a href="http://wims.univ-mrs.fr/wims.cgi?wims_window=new&+session=0M1A6EB8D2_mhelp&+lang=fr&+module=tool%2Flinear%2Fmatrix.en&+cmd=help&+special_parm=about" target=wims_help onClick="window.open('','wims_help','status=no,toolbar=no,location=no,menubar=no,scrollbars=yes,resizable=yes')">About</a> <tr><td align=center colspan=3> </td>   <tr><td align=center colspan=3><small>   Author of the page:  <a href="mailto:xiao@unice.fr?subject=Wims Matrix calculator [en]"  >XIAO Gang</a>  <tr><td align=center colspan=3><small>  Version 1.12, &copy; 1997-1999 (<a href=COPYING>GNU GPL</a>)  </table></center></div> <!-- ><a href="http://wims.univ-mrs.fr/wims.cgi?lang=fr&+session=0M1A6EB8D2.1&+module=adm%2Ftrap">Robot trapper, do not click!</a> < --><a href="http://wims.univ-mrs.fr/wims.cgi?lang=fr&+session=0M1A6EB8D2.1&+module=adm%2Ftrap"><font></font></a> </BODY></HTML>  
